CVE-2026-34501

NameCVE-2026-34501
DescriptionHeap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgrade to version 1.6.4, which fixes the issue.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-6437-1
Debian Bugs1143837

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apr-util (PTS)bullseye (security), bullseye1.6.1-5+deb11u1vulnerable
bookworm1.6.3-1vulnerable
trixie1.6.3-3vulnerable
trixie (security)1.6.3-3+deb13u1fixed
forky, sid1.6.4-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apr-utilsourcetrixie1.6.3-3+deb13u1DSA-6437-1
apr-utilsource(unstable)1.6.4-11143837

Notes

https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv
Fixed by: https://github.com/apache/apr-util/commit/e8f36bd5f1cc1c82bed1ae52d5699a4c610251c2 (1.6.4-rc1-candidate)
Search for package or bug name: Reporting problems